CARRIER Air Conditioner/heat Pump(outside Unit) Manual L0604197

User Manual: CARRIER CARRIER Air conditioner/heat pump(outside unit) Manual CARRIER Air conditioner/heat pump(outside unit) Owner's Manual, CARRIER Air conditioner/heat pump(outside unit) installation guides

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Page Count: 12

OWNER'S MANUAL

High-Wall Fan Coil Unit

CONTENTS

Page

GENERAL ....................................... 2,3

OPERATING MODES ............................ 2

REMOTE CONTROL ............................. 2

OPERATION ................................... 3-9

REMOTE CONTROL OPERATION ................ 3

INDOOR UNIT DISPLAY ......................... 5

EMERGENCY OPERATION ...................... 5

PRESSING THE ON/OFF BUTTON ................ 5

SELECTING AN OPERATING MODE ............... 6

SETTING THE TEMPERATURE SET POINT ....... 6

SELECTING THE DIRECTION

OF LOUVER POSITION ........................ 6

SELECTING THE FAN SPEED .................... 7

USING THE TURBO SETTING ................... 7

USING THE ECONOMICAL SETTING ............ 7

SETTING THE ON TIMER ........................ 7

SETTING THE OFF TIMER ....................... 8

SETTING THE DAILY TIMER .................... 8

SETTING THE SLEEP TIMER .................... 8

USING THE IONIZER FUNCTION ................ 9

REMOTE CONTROL ADDRESS SELECTION ..... 9

Page

RESETTING THE REMOTE CONTROL ........... 9

OPERATING CONDITIONS ...................... 9

TIME DELAY ................................... 9

MINIMUM OPERATION TIME ................... 9

HEATING FEATURES ............................ 9

DEFROST OPERATION .......................... 9

AUTO RECOVERY .............................. 9

INDOOR UNIT FROST PREVENTION IN

COOLING AND DEHUMIDIFICATION

MODE ........................................ 9

CLEANING, MAINTENANCE AND

TROUBLESHOOTING .......................... 9-11

PERIODIC MAINTENANCE ...................... 9

CLEANING THE COIL ........................... 9

AIR FILTERS ................................... 10

IONIZER ....................................... 10

INDOOR UNIT FRONT PANEL .................. 10

PREPARING FOR A LONG SHUTDOWN PERIOD.. 10

SYSTEM OPERATION CHECK LIST ............. 10

ENERGY SAVING RECOMMENDATIONS ........ 10

TROUBLESHOOTING ........................... 10

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

Catalog No. 02-38H40Q01-OM Printed in U,S.A. Form OM38/40-6 Pg 1 2-06 Replaces: New

GENERAL

The high wall fan coil unit provides quiet, maximum

comfoll. In addition to cooling trod/or heating, the high wall

fan coil unit matched with an outdoor condensing unit will

filter and dehumidify the air in the room to provide maximum

comfort. See Fig. 1.

IMPORTANT: The high wall fan coil unit should be

installed by authorized personnel only. using approved

tubing and accessories. If technical assistance, service

or lepair is needed, contact the installer or call

1-800-227-7437.

The high wall fan coil unit can be set up and operated from

the remote control (provided). See Fig. 2. If the remote is

misplaced, the system can be operated from the "Auto" setting

on the unit.

Operating Modes -- The high wall fan coil unit has 5

operating modes:

• Fan only

• Auto (heat pump models only)

• Heating (heat pump models only)

• Cooling

• Dehumidification

FAN ONLY- In Fan Only mode, the system filters and

circulates room air without changing room air temperature.

AUTO -- In Auto mode, the system will automatically cool or

heat the room according to the user selected set point.

If the room temperature is 2° F lower than the set point, the

system will operate in Heating mode. If the room temperature

is 2° F higher than the set point, the system will operate in

Cooling mode.

HEATING -- In Heating mode, the system heats and filters

room tfi]_

COOLING --In Cooling mode, the system cools, dries and

filters room _dl:

DEHUMIDIFICATION- In Dehumidification mode, the

system &ies, filters and slightly cools room tfir temperature.

This mode does not take the place of a dehumidifiel:

NOTE: Two settings ale avtfilable for use with selected modes.

The Turbo setting provides maximum capacity. The Economi-

cal setting provides quiet, energy saving operation. Cooling

and Heating modes can be operated in either the Turbo or

the Economical setting. The Dehumidification mode can be

operated in the Turbo setting, and the Auto mode can be

operated in the Economical setting. See the Using the Turbo

Setting or Using the Economic_fl Setting sections for more

information.

Remote Control (Fig. 2-6)-- The remote control

transmits commands to set up and operate the system. The

controller has a window display panel that shows the current

system status. The controller can be secured to a surface when

used with the mounting rack provided. See Fig. 2.

@ ® ®® ®

/ /

LEGEND

A -- Outdoor Unit

B -- Indoor Unit

1 -- Automatic Swinging Louver

2 -- Air Filters

3 -- Remote Control Signal Receiver

4 -- Unit Operating Status Indicators

5 -- Interconnecting Tubing

6 -- Condensate Drain

//////////////////////////////,

Fig. 1 -- Indoor and Outdoor Unit Components

Fig.2-- High Wall Fan Coil Unit and Remote Control

(A((.o))

_//,b \\

%(g_o

Handle tile controller with care and avoid getting the con-

troller wet. Damage to the device may result.

IMPORTANT: The remote control can operate tile unit

fiom a distance of up to 16 ft as long as there are not any

obstructions.

The remote control can perform the following functions:

• Turn the system ON and OFF

• Select operating mode

• Adjust room air temperature set point and fan speed

• Set time periods for automatic system operation

BATTERY INSTALLATION -- Two AAA 1.5-v alkaline

batteries (included) are required for operation of the remote

control. See Fig. 3 for batte Ulocation.

After new batteries have been inserted, press the leset

button with a paper clip or the tip of a pen. Do not use old

batteries or batteries of different types, as this may cause the

® ®

Fig. 3 -- Location of Batteries on Remote Control

unit to malfunction. Batteries should only be changed after

turning the unit off. The average battery life during normal

use is approximately one year If the air conditioner does not

operate normally after replacing the batteries, refit the batteries

and press the reset button again after 5 seconds.

To install batteries:

1. Remove battery compartment cover by pushing the tab

up and removing it from the remote.

2. Insert batteries being sure to follow polarity markings

inside battery compartment.

3. Replace battery compartment covel:

NOTE: Replace batteries whenever "Ix_w battery" indicator

appears on remote control display panel. See Fig. 4.

DISPLAY SCREEN -- There me five operating mode indica-

tors that appear on the remote control display screen. See Fig. 4.

OPERATION

Remote Control Operation-- The remote control

has 3 buttons (see Fig. 5) used for operating and controlling the

system:

•/_ -- changes operating mode

• A V -- adjust temperature

• (!) -- turns the system on or off.

NOTE: When transmitting a command from the remote

control to the unit, be sure to point the controller toward the

right side of the unit. See Fig. 6. The unit will confirm receipt

of a command by sounding an audible beep.

IMPORTANT: If no changes zue made within 10 sec- [

onds, the remote control will return to its previous I

setting.

SETTINGTHETIMEON THEREMOTECONTROL

(CunentTimeAdjustingCandResetButtons)-- Plesscur-

renttimeadjustingbuttonCtoadjustthecurrenttime.Press

the resetbuttonwiththetipofapenorapaperclipif there-

motecontrolisnotoperatingproperlyorafterleplacingthe

batteries.

1. Withtheremotecon- _ )

trol ON or OFK

pressC for at least

5seconds.

2. Thecurrenthourflash-

es.PresseitherA or

g to setthecurrent

horn:PressC again

to moveto set the

minutes.

3. Oncethecurrenttime

isset,pressCtocon-

firmit.

FAN SPEED -- To select the Fan mode and change the Fan

Speed, follow the steps below:

1. Press the Mode button to select the Fan mode.

2. Press the Fan Speed button to select desired fan speed.

NOTE: If unit is operating in Dehumidification mode the fan

will only operate in low speed and cannot be changed.

TEMPERATURE SETTINGS- The temperature set point

can be easily changed by pointing the controller toward the unit

and pressing the increase/decrease temperature set point

buttons until the desired temperatme appears on screen.

AIRFLOW DIRECTION- The louveLs can be manually

operated by pressing the Louver button to change airflow

direction. Refer to Table 1 for louver positions.

15 16 14

1. Operating mode (from left to right)

•Fan only

• Heating (heat pump models only)

• Automatic (heat pump models only)

• Cooling

• Dehumidification

2. Signal transmission symbol

3. Temperature set point selected

4. Address selected

5. Temperature unit of measurement (°C or °F)

6. Unit configuration

7. Low Battery indicator

8. Louver position

9. Fan speed

10. Turbo setting

11. Economical setting

12. ON timer selected

13. Night timer active

14. DAILY timer active (Everyday)

15. ON timer and OFF timer or current time

16. OFF timer selected

17. Ionizer active

Fig. 4- Remote Control Display Icons

Fig. 5 -- Operating Mode Indicators on

O Display readout

A. Mode selection button

B. ON/OFF button

C. Increase temperature button

D. Decrease temperature button

E. Fan speed selection button

E Turbo setting button

G. Economical setting button

H. Louver control button (Flap)

I. ON timer button

J. DALLY timer button (Everyday)

K. Cancel timer button /Current time

button

L. OFF timer button

M. Sleep timer button (night)

N. Ionizer button

O. Reset button

Remote Control

_ __=_: _- ))) BEEP

Fig. 6 -- Proper Positioning of Remote Control

Table 1 -- Louver Positions

SYMBOL ON DESCRIPTION

REMOTE CONTROL

Louver position will be set automatically.

Louver will be set to the preset position

according to the operation mode.

The louver can be set to one of

/_. _ _ six different airflow directions.

The louver will continuously swing

up and down. The "swing" setting will

...._1 provide optimal, even air distribution

in the room.

Indoor Unit Display (Fig. 7) -- The indoor unit dis-

play has three LED indicators at the lower right hand portion of

the unit. Tile Blue light is illuminated when the ionizer is

active. Tile Orange light is illuminated during timer mode. The

Green light is illuminated during operation.

Emergency Operation -- When the remote control is

lost or damaged or the batteries are exhausted, the EMER.

button can be used to run the unit.

Press the EMER. button once briefly when the system is off.

To stop emergency operation, push the EMER. button again

or operate the remote control.

The set conditions of emergency operation are as follows:

• Preset set point: 77 F

• Fan speed: AUTO

• Timer mode: Disabled

• Discharge air direction: Pre-set position based on opera-

tion in "Cool" or "Heat" mode.

(_ Pressing the On/Off Button -- When the

air conditioner is not in operation, the remote

control readout will display the time of day only.

Press the On/Off button to stm-t the unit.

The unit will start in the last operating mode.

Press button On/Off to stop the unit.

All indicator lights on the unit will go out, and file remote

control will display only the current time.

If the unit does not stop, turn the control on (by pressing the

On/Off button) and repeat the operation.

NOTE: If the On/Off button is pressed too soon after a stop,

the compressor will not start for 3 to 5 minutes due to the

inherent protection against frequent complessor cycling. The

unit will only emit an audible beep when file signals am

received correctly.

-- EMER. button

Fig. 7 -- Unit Display and Switch Panel

(T) Blue indicator light

@ Orange indicator light

@ Green indicator light

@ Switch panel

MSelecting an Operating Mode-- Use the

/_ button to select the unit operating mode.

Repeatedly press the Operating Mode button to select avail-

able modes.

The chosen mode is shown as follows, while the unit will

acknowledge signal receipt with a beep.

Indicated symbol:

v_ Fan Only

-,O_- Heating

A Automatic

O Cooling

Dehumidification

Setting the Room Temperature Set Point --

Pressing the increase temperature set point A and decrease

g buttons will raise or lower the temperature.

The unit will confirm signal receipt with a beep, and the

value of the set temperature on the display will change

accordingly.

The temperature can be set between 63 F and 90 F at

1 degree intervals.

NOTE: In Cooling mode, if the temperature selected is higher

than the room temperature the unit will not start; the same

applies for the Heating mode, if the selected temperature is

lower than the room temperature.

The remote control can be set to display the temperature in

degrees Fahrenheit or degrees Celsius. To change the tempera-

ture setting, complete the following steps while the unit is off:

1. Press the decrease set point button and the louver button

simultaneously for 5 seconds.

2. The display will show the channel setting (CH).

3. Press the mode /_ button once to go to the Temperature

(tu) screen.

4. Use the increase or decrease set point arrows to change

the temperature display setting.

5. Press the louver button to transmit the temperature dis-

play setting to configure the remote.

_/_/_1 Selecting the Direction of Louver Posi-

tion- qn_eairflow direction can be adjusted to

optimize air distribution.

Press the louver button _ repeatedly to choose one of the

louver positions. See Table 1.

In the Cooling, Dehumidification and Fan Only mode, the

louver will swing in the cooling range. In the Heating mode,

the louver will swing in the heating range. See Fig. 8.

NOTE: Always use the remote control to adjust the louver

position, otherwise abnormal operation may occur If the

louver is manually adjusted out of its range, turn the unit off

and then on again.

Cooling

".9_Heating

Fig. 8 -- Cooling and Heating Louver Position

LEFT AND RIGHT CONTROL -- To adjust the direction of

the discharge air to the left or right, adjust the vellical guide

vane with the handle after opening the louvel: See Fig. 9.

NOTE:

• Do not set tile louver to position _ for long periods of

time, because this position minimizes air circulation

resulting in uneven room temperature.

• Do not adjust the louver manually during SWING opera-

tion because it may damage the air swing mechanism.

• For maximum cooling or heating capacity, please louver

to position _.

Selecting the Fan Speed -- Tile fan speed

can be selected by pressing tile fan speed button

SYMBOL DESCRIPTION

(_:_) Low speed.

((_:_)) Medium speed.

(((v_))) High speed.

C4 ;) Automatic (fan will automatically switch to the

appropriate speed for optimum comfort)

Using the Turbo Setting -- For maximum

capacity while in Cooling, Dehumidification and Heat-

ing modes, press the Turbo Setting button t._. On the

display, the Turbo Setting icon _ will appem:

1. Turbo Cooling mode performs the

turbo cooling operation until room tem-

perature reaches 63 F or 20 minutes af-

ter pressing the Turbo Setting button.

While in Turbo Cooling mode, indoor

fan speed is high and compressor speed

is over-rating speed to obtain maximum

cooling capacity.

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2. Turbo Heating mode performs the

turbo heating operation until room

temperature reaches 90 F or 20 minutes

after pressing the turbo setting button.

While in Turbo Heating mode, the

indoor fan and compressor operates in

high speed in order to obtain maximum

heating capacity.

Turbo Dehumidification mode per-

forms the dehumidification operation

until room temperature is under 63 F or

3 hours after pressing the turbo setting

button. While in Turbo Dehumidifica-

tion mode, indoor fan speed operates in

low speed in order to remove humidity

more effectively.

During the turbo setting, room temperature and fan speed

cannot be changed using the remote controller

Press /_, _ or E to cancel turbo setting mode.

Fig. 9 -- Using the Vertical Guide Vane

EUsing the Economical Setting -- For quiet,

energy saving operation in Cooling, Heating find Auto

modes, press the Economical Setting button E On the

display, the Economicfd Setting icon E will appem:

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•/

•_ i--i oC

E _t

.nil

•--II l°C

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Economical Cooling mode:

The indoor tim and compressor operate

fit a minimum speed for maximum en-

ergy savings.

2. Economical Heating mode:

The indoor fan and compressor operate

fita minimum speed for maximum en-

ergy savings.

3. Economicffl Auto mode:

Unit operates in Economical Cooling

mode or Economical Heating mode

depending on the room temperature

find set point.

During the Economical setting, the room temperature and

louver position can be set by using the remote control. Fan

speed cannot be changed while in the Economical setting.

Press /_, _ or E to cancel the economical setting.

-------]Setting the ON Timer

• --i i--i oc

,Nn

1. ON TIMER button []

Press the [] , even if the unit is off.

The relevant icon and time figure will

start to flash.

If 10 seconds have elapsed and no

button is pressed, the remote control

returns to the previous setting without

making any changes.

2. Setting the ON time with A V.

When the unit is ON, the only possible selection is the

start-up time. The Operating mode and set point remain

file same as the currant operation.

To select the stmt-up time when the unit is off. use A

First select the hours and confirm by pressing []. Then

select the minutes using either A or g.

To finish setting file time, press [] again.

3. Choose the unit Operating mode.

To select the operating mode, use the /_ button. Once

the operating mode has been selected, press [].

The icon of the selected mode will stop flashing.

4. Select the desired set point temperature.

To select the desired temperature, use either A or g.

Push [] to confirm the selection. The set point numbers

will stop flashing.

Fanspeed:

Choosefilefanspeed,using'@. When the selection has

been completed, press button [] for confirmation. The

fan speed icon will stop flashing.

Ix)uver positioning:

Use _, to select desired louver position. Press [] for

confirmation. Now all icons are fixed on display. To can-

cel selections made up to this point, push C; to cancel _dl

of the selected options once the timer has been set,

push [] and then C. The ON Timer settings ale now

complete.

Setting the Off Timer -- Set the OffTimer toselect a time for the system to turn off.

• --inoc

E)_(

((c÷>)) _,_

_ :l.nn 2.

I.._•WU

, []

Press the Off Timer button.

The Off timer icon and numbers for a

time selection flash.

NOTE: This function can be set even if

the remote control is OFF.

Setting the Off time (buttons A and

V).

To set the Off time, press either button

A orV.

To move from hour to minute, press

Press [] again to confirm Off time

setting.

Setting the DALLY Timer -- Push file but-

ton _ when the ON or OFF timer is active. The

icon will appem on display.

In this way the ON and OFF timer settings will be repeated

every &ty.

To deactivate the daily function, press [] again.

EXAMPLE 1: Combining the ON, OFF and DAILY timer

features.

To start the unit at 5:30 RM. and stop at 10:30 RM. for one

day only, complete the following steps:

1. Set the ON timer for 5:30 RM.

2. Set the OFF timer for 10:30 RM.

3. Select desired operating mode ( M ).

ii ,o.o

F,M _I • _1 L.I IU'3U

D m

EXAMPLE 2: To stop operation at 10:30 RM. and start again

at 7:30 A.M. with the same operating mode, complete the fol-

lowing steps:

1. Set the OFF timer for 10:30 RM. while the system is

operating.

2. Set the ON timer for 7:30 A.M.

l in.-in

PM !!_!" ZJU

AM --I:,_ n

_!U

For everyday operation to stml at 5:30 RM. and stop at

10:30 RM. complete the following steps:

1. Set the ON timer for 5:30 RM.

2. Set the OFF timer for 10:30 RM.

3. Press the DAILY timer button [].

DU (U.__U

CANCELLING THE ON, OFF AND DAILY TIMER

SETTINGS -- To cancel the ON or OFF timer setting, press

the following buttons in order:

1. Button [] or [] ;

--I)--I °C

5:30

2. Button C.

To deactivate the Daily timer func-

tion, press [].

NOTE: Every&_y operation will remain

active until one of the two timers (ON

or OFF) is active.

1_ Setting the Sleep Timer-- Press this button

to set the SLEEP timer with the system on. The icon

will appear on the display.

This procedme pennits setting the remaining unit operating

time until the Sleep mode is entered.

1. "1 :hr" will be displayed together with the

--II I°C

l_--n

/l I

l:hr

[]

icon.

2. P]ess A. The display will show the

following settings in sequence: 1:hr, 2:hr,

3:hr, 4:hr, 5:hr, 6:hr, 7:hi, 8:hr and 9:he

3:hr ri]

3. Once the remaining operating hours have been selected

with either button ,,A or --V, press the [] button to

confirm.

4. When the SLEEP timer is set, the unit will control the set

temperature to avoid overcooling or oveflleating during

operation. The set temperature will change as in Fig. 10.

SET

TEMP.

+I°F

, I i ' I _i

i 30 70 110 150 TIME (MIN.)

SETTIME

(Cooling only or Dehumidification mode)

° F

SET

TEMP.

i' I i ID

30 90 150 TIME (MIN.)

SETTIME

(Heating mode)

Fig. 10 -- Set Temperature Levels

_. Using the Ionizer Function -- The ionizer

helps to eliminate odors in the conditioned space.

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•)

1. Press _- to activate the Ionizer

function.

2. Press _b again to turn off Ionizer

function.

Remote Control Address Selection -- If two in-

door units are in the same room, one remote control can be

linked to one indoor unit, and the other remote control to the

other indoor unit, or both indoor units can be controlled with a

single remote control.

For more information, refer to the installation instructions.

Resetting the Remote Control -- If the remotecon-

trol is not functioning properly it can be reset by pressing the

reset button with a paper clip or tip of a pen.

Operating Conditions- Temperatureranges suitable

for unit operation _u'eas follows.

MODE INDOOR OUTDOOR

(°F) (°F)

Cool 59-90 59-110

Heat Max. 81 14- 75

Dehumidification 59-90 59-110

If the unit operates above 59 to 90 F maximum temperature

conditions for a long period of time, system diagnostics may

modify the system operation to prevent &mmge to the system.

Time Delay -- If unit operation is started aller the power

is turned off. there will be a 3-minute time delay until the

compressor turns on.

When heating operation starts, hot air delivery may be

delayed due to a warm-up period.

Minimum Operation Time -- In norm;d operation,

there is a minimum operation time of 5 to 7 minutes between

the compressor turning on and turning back off.

Heating Features --ff the unit starts in Heating mode,

there may be a preheating period before the unit is ready to

deliver warm all:

Defrost Operation -- In heating mode, if the outdoor

coil is fi_sted, the indoor fan and outdoor fan will turn off

while system removes the frost on the outdoor coil.

The system will automatically revert to normal operation

when frost is removed from the outdoor unit.

Auto Recovery -- If the power fails while the unit is

operating, the unit memorizes the operating condition, and it

will start operation automatically when the power is restored.

Indoor Unit Frost Prevention in Cooling and

Dehumidification Mode--If the unit operates at a

low ambient temperature, frost may appear on the indoor coil.

If the indoor coil temperature is near 32 E the compressor's

speed is reduced or stopped to protect the unit from frost.

CLEANING, MAINTENANCE

AND TROUBLESHOOTING

To avoid the possibility of electric shock, always turn off

power to the system before performing any cleaning or

maintenance to the system. Turn off the outdoor disconnect

switch located near outdoor unit. Be sure to disconnect

indoor unit if on a separate switch.

Operating the system with dirty air filters may damage the

indoor unit and could cause reduced cooling performance.

intermittent system operation, fi_st build-up on indoor coil

or blown fuses.

Periodic Maintenance- Periodic maintenance is

recommended to ensure proper operation of the unit. Recom-

mended maintenance intervals may vary depending on the

installation environment, e.g., dusty zones, etc. Refer to

Table 2.

The coil fins are very sharp. Use caution when cleaning

the coil fins to prevent unit dmnage and to avoid personal

injury.

Cleaning the Coil -- Clean the coil at the beginning of

each cooling season, or when necessary. Use a vacuum cleaner

or a long-bristle brush to avoid dmnage to the coil fins.

Air Filters- Remove and clean the air filters once a

month.

NOTE: If air filters show signs of excessive wear or are torn,

they must be replaced. Contact your local de;der for replace-

ment filters.

1. Open fiont panel on unit.

2. Pull filters down to remove.

3. Vacuum filters.

4. Clean with w_um water

5. Shake filter to remove excess water and dry thoroughly.

6. Replace filter by sliding filter behind fiont grille until fil-

ter snaps in place.

When cleaning the front panel, do not use water hotter than

105 F and do not pour water onto file fan coil.

Do not use abrasive or petroleum based cleaners as they

may dmnage the front panel.

Ionizer -- Clean the ionizer with a brush every four months.

Disconnect the unit from the main power supply prior to

cleaning or performing maintenance on the ionizel: Serious

pel,sonal injury could result.

1. Unscrew and lift the ionizer covel:

2. Brush the needles on the base of the ionizel:

3. Close the cover and tighten the sclew.

Indoor Unit Front Panel -- To clean the front panel on

the indoor unit, wipe the outside with a soft, chy cloth. If neces-

sary, a mild liquid detergent can be applied and wiped off with

a dry cloth.

Preparing for a Long Shutdown Period --

Clean the filters and reposition them in the unit. Operate the

unit in Fan only mode for 12 hours to dly all internal parts.

Turn main power supply off and remove batteries from the

remote control.

System Operation Check List-- The items out-

lined in the following list will help to assure proper system

operation:

• Be sure unit is connected directly to electrical supply.

• Replace both remote control batteries at the same time

when the Low Battery indicator appears.

• Point the remote control toward the unit display panel

when transmitting a command.

• Keep doors and windows closed while unit is operating.

• Close air vents in unoccupied rooms to save electricity.

• Contact an authorized service representative if a problem

arises that cannot be easily resolved.

• Do not perform cleaning or maintenance activities while

unit is on.

• Keep display panel on unit away from dilect sunlight and

heat as this may interfere with remote control transmissions.

• Do not block air intakes and outlets on the indoor or out-

door units.

Energy Saving Recommendations -- _e follow-

ing recommenckttions will add greater efficiency to the duct-

free system:

• Select a comfortable thermostat setting and leave it at

chosen setting. Avoid continually raising and lowering

the setting.

• Keep unit filter clean. Frequent cleaning may be neces-

sary depending on indoor air quality.

• Use drapes, curtains or shades to keep direct sunlight

from heating room on very hot days.

• Do not obstruct front grille air intake on front panel.

• Turn on air conditioning before indoor air becomes too

uncomfortable.

Troubleshooting -- Refer to Tables 3 and 4 before con-

tacting your loc;d dealel:

Table 2 -- Periodic Maintenance

INDOOR UNIT EVERY MONTH EVERY4 MONTHS EVERY YEAR

Clean Air Filter* •

Clean Drain Pipe •

Change Remote Control Batteries •

Clean Ionizer •

OUTDOOR UNIT EVERY MONTH EVERY4 MONTHS EVERY YEAR

Clean Outdoor Coil from Outside •

Clean Outdoor Coil from Inside1" •

Blow Air Over Electric Parts1" •

Check Electric Connection Tightening1. •

Clean Fan Wheel1" •

Check Fan Tightening1. •

Clean Drain Pans']" •

*Increase frequency in dusty zones.

1-Maintenance to be carried out by qualified service personnel. Refer to the Installation Manual.

Table 3 -- Troubleshooting

PROBLEM POSSIBLE CAUSE SOLUTION

• The circuit breaker has tripped or a fuse has Reset the circuit breaker or replace the fuse with the

blown, specified replacement fuse.

• Power failure. Restart operation when the power is restored.

Unit/System Does Not Work • Green or Orange LED is flashing on and off, Call your service representative.

which could indicate an indoor or outdoor unit

fault.

• Voltage is too low. Call your service representative.

• The filter is blocked with dust. Clean the air filter.

• Temperature is not set properly. Check the temperature and reset if necessary.

• A window or door is open. Close the window or door.

Cooling is Not Working Properly • The outdoor unit is obstructed. Remove the obstruction.

• The fan speed is too low. Change the fan speed selection.

• The operation mode is in Fan or Auto instead of Change the operating mode to Cool or reset the unit.

Cool.

• The filter is blocked with dust. • Clean the air filter.

Heating is Not Working Properly • Temperature is set too low. • Check the temperature and reset if necessary.

• A window or door is open. • Close the window or door.

• The outdoor unit is obstructed. • Remove the obstruction.

• The Off timer is not operating correctly. • Restart the operating mode.

• Green or Orange LED is flashing on and off, • Call your service representative.

Unit Stops During Operation which could indicate an indoor or outdoor unit

fault.

LEGEND

LED -- Light Emitting Diode

Table 4 -- Unit Protection Devices

TYPE OF PROTECTION EFFECT OF PROTECTION OPERATING MODE

Indoor Coil High Temperature Protection Compressor speed slow down or off Heating and Auto mode at high

outdoor temperatures

Indoor Coil Freeze Up Protection Compressor speed slow down or off Cooling, Dehumidification and Auto mode

at low outdoor temperatures

Discharge Gas High Temperature Protection Compressor speed slow down or off Cooling, Heating, Dehumidification and

Auto mode outdoor temperatures

Frequent Compressor Cycling Compressor time delay All

During heating operation the unit may defrost to remove

ice that might collect on the outdoor unit. During defrost,

the indoor fan will automatically stop, the louver will be

fixed at a horizont_d position and can not be changed until

the defrost cycle is completed. Forcing tile louver to

change its position during defiost could result in equipment

&image.

Fill out the following to save time on any future service calls.

Dealer's Name

Address

Telephone

Indoor Model #

Indoor Serial #

Purchase Date

Outdoor Model #

Outdoor Serial #

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

Catalog No. 02-38H40QO1-OM Printed in U.S.A. Form 0M38/40-6 Pg 12 2-06 Replaces: New

CARRIER Air Conditioner/heat Pump(outside Unit) Manual L0604197

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